Data Factory - can’t fetch Zoho tables despite the Zoho connector working

Data Factory - can’t fetch Zoho tables despite the Zoho connector working

I’m able to successfully create a Zoho connector but when I try to use it I get an unknown error trying to fetch Zoho tables:

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error details:

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I've tried different combinations of Zoho API scopes but without any luck.

The same issue was reported in March this year by another user but without any resolution.
https://learn.microsoft.com/en-us/answers/questions/1186390/azure-data-factory-zoho-connector-not-working-with